If you want to migrate Apple Mail data to Office 365 mailbox then I would like to suggest MBOX to Office 365 Migration Tool. This GUI based application helps to import single or multiple MAC data to O365 in few simple clicks. The tool has many useful features that easily uploads the large mailbox to Office 365 platform. User can also perform the bulk migration using MBOX to Office 365 software.
- Simple GUI interface
- Preserve complete folder-tree and attachments
- Multiple export format including Office 365
- Generate preview of email and allows saving the selected email
- Search mail filter option.
- Support all Window versions such as Win 10, 8, 7, XP etc.
For more detail visit: http://www.mboxtooffice365.com